/**
 * Cristal Theme - Main Stylesheet
 * Version: 2.0.0
 * 
 * Las variables CSS se generan dinámicamente desde functions.php
 * Puedes modificar los valores en $GLOBALS['cristal_config']
 * 
 * @package Cristal_Theme
 */

/* ==========================================================================
   VARIABLES ADICIONALES
   ========================================================================== */

:root {
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Font sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Neutral colors */
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-white: #ffffff;
    
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    --transition-fast: 150ms ease;
    --transition: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
}

/* ==========================================================================
   FORZAR TIPOGRAFÍA GLOBAL - Prevenir fallback feo
   ========================================================================== */

/* Variable de fuente con fallbacks del sistema */
:root {
    --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html,
body,
p,
a,
li,
div,
h1, h2, h3, h4, h5, h6,
input,
button,
textarea,
select,
.nav-menu,
.nav-menu a,
.site-header,
.site-footer,
.elementor-widget-text-editor,
.elementor-heading-title {
    font-family: var(--font-primary, 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif) !important;
}

/* Forzar en elementos de texto de Elementor */
.elementor-widget-text-editor,
.elementor-widget-text-editor p,
.elementor-widget-text-editor div,
.elementor-widget-heading .elementor-heading-title,
.elementor-text-editor,
[class*="elementor-element"] p,
[class*="elementor-element"] div,
[class*="elementor-element"] h1,
[class*="elementor-element"] h2,
[class*="elementor-element"] h3,
[class*="elementor-element"] h4,
[class*="elementor-element"] h5,
[class*="elementor-element"] h6 {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
}

/* EXCEPCIÓN CRÍTICA: Fuentes de íconos con alta especificidad */
.fa, .fas, .far, .fal, .fad,
i.fa, i.fas, i.far, i.fal, i.fad,
.elementor-icon i.fa,
.elementor-icon i.fas,
.elementor-icon i.far,
.elementor-social-icon i.fa,
.elementor-social-icon i.fas,
.elementor-social-icon i.far,
.elementor-icon-list-icon i.fa,
.elementor-icon-list-icon i.fas,
.elementor-icon-list-icon i.far {
    font-family: "Font Awesome 5 Free" !important;
}

.fab,
i.fab,
.elementor-icon i.fab,
.elementor-social-icon i.fab,
.elementor-icon-list-icon i.fab {
    font-family: "Font Awesome 5 Brands" !important;
}

.eicon, [class*="eicon-"],
i.eicon, i[class*="eicon-"],
.elementor-icon i[class*="eicon"] {
    font-family: "eicons" !important;
}

/* Pseudo-elementos de Font Awesome */
.fa::before, .fas::before, .far::before, .fal::before, .fad::before,
i.fa::before, i.fas::before, i.far::before, i.fal::before, i.fad::before,
.elementor-icon i.fa::before,
.elementor-icon i.fas::before,
.elementor-icon i.far::before,
.elementor-social-icon i.fa::before,
.elementor-social-icon i.fas::before,
.elementor-social-icon i.far::before,
.elementor-icon-list-icon i::before {
    font-family: "Font Awesome 5 Free" !important;
}

.fab::before,
i.fab::before,
.elementor-icon i.fab::before,
.elementor-social-icon i.fab::before,
.elementor-icon-list-icon i.fab::before {
    font-family: "Font Awesome 5 Brands" !important;
}

.eicon::before, [class*="eicon-"]::before,
i.eicon::before, i[class*="eicon-"]::before {
    font-family: "eicons" !important;
}

/* SVG icons de Elementor */
.e-font-icon-svg,
svg.e-font-icon-svg {
    font-family: inherit !important;
}

/* Prevenir pesos de fuente excesivos */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Normalizar pesos - excluir íconos */
p, div, li, a {
    font-weight: 400 !important;
}

/* Solo títulos con bold */
h1, h2, h3, h4, h5, h6,
.elementor-heading-title,
strong, b {
    font-weight: 700 !important;
}

/* ==========================================================================
   RESET
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base, 16px);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* CRÍTICO: html es el ÚNICO elemento con scroll */
    overflow-x: hidden !important;
    overflow-y: scroll !important;
    height: auto !important;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* CRÍTICO: body NO tiene scroll propio */
    overflow-x: hidden !important;
    overflow-y: visible !important;
    height: auto !important;
}

/* Prevenir scroll múltiple SOLO en contenedores principales del tema */
.site-header,
.site-main,
.site-footer,
.header-container,
.footer-container,
main {
    overflow-y: visible;
    max-height: none;
}

/* NO tocar .elementor, .elementor-widget-wrap, .e-con - dejar que Elementor los controle */

/* Excepción: El menú móvil SÍ necesita overflow-y: auto */
@media (max-width: 1024px) {
    .main-navigation {
        overflow-y: auto !important;
    }
}

img, picture, video, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-4xl); font-weight: 700; }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: 1rem; }

p { margin-bottom: var(--spacing-4); }
p:last-child { margin-bottom: 0; }
strong, b { font-weight: 600; }
small { font-size: var(--font-size-sm); }

blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-6);
    margin: var(--spacing-6) 0;
    font-style: italic;
    color: var(--color-gray-700);
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-gray-100);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
}

pre {
    font-family: var(--font-mono);
    background: var(--color-gray-900);
    color: var(--color-gray-100);
    padding: var(--spacing-6);
    border-radius: var(--radius);
    overflow-x: auto;
    margin: var(--spacing-6) 0;
}

pre code { background: none; padding: 0; }

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.site-main { flex: 1; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.container-narrow { max-width: var(--container-narrow); }

/* Screen reader text */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    z-index: 9999;
}

.skip-link:focus { top: 0; }

/* ==========================================================================
   HEADER - Una sola línea, adaptable
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.site-header.scrolled {
    box-shadow: var(--shadow);
}

.header-container {
    width: 100%;
    max-width: 100%;
    padding: var(--spacing-2) var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

/* Logo */
.site-branding { flex-shrink: 0; }
.site-branding a { display: flex; align-items: center; }
.site-logo { 
    height: 55px; 
    width: auto;
    max-width: 180px;
    object-fit: contain;
}
.site-title-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

/* Navigation - Centrado y compacto */
.main-navigation { 
    flex: 1; 
    display: flex; 
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-menu > li { position: relative; }

.nav-menu > li > a {
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-4);
    right: var(--spacing-4);
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition);
    display: none; /* Ocultar underline por defecto */
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.is-active > a {
    color: var(--color-primary);
}

/* No mostrar underline en hover */
.nav-menu > li > a:hover::after,
.nav-menu > li.current-menu-item > a::after,
.nav-menu > li.is-active > a::after {
    transform: scaleX(0);
}

/* Submenu */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    padding: var(--spacing-2) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
}

.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu a {
    display: block;
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.sub-menu a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

/* Submenu toggle button */
.submenu-toggle {
    display: none;
    padding: var(--spacing-2);
    color: var(--color-gray-600);
}

/* Header actions */
.header-actions { 
    display: flex; 
    align-items: center; 
    gap: var(--spacing-3);
    flex-shrink: 0;
}

/* Banner ODS - Compacto */
.header-ods-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.ods-banner-img {
    height: 40px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    transition: opacity var(--transition-fast);
}

.ods-banner-img:hover {
    opacity: 0.85;
}

/* Polylang en menú - Sin banderas */
.nav-menu .lang-item img,
.nav-menu .pll-parent-menu-item img,
.menu-item-language-current img {
    display: none !important;
}

/* Language selector - Sin banderas */
.language-selector { display: flex; align-items: center; }
.language-list { display: flex; align-items: center; gap: var(--spacing-1); }
.language-list li { display: flex; align-items: center; }

.language-list a {
    display: flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    text-decoration: none;
    line-height: 1;
}

.language-list a:hover { 
    color: var(--color-primary);
}

.language-list .current-lang a {
    color: var(--color-gray-900);
    font-weight: 600;
}

/* Ocultar banderas de Polylang si aparecen */
.language-list img,
.language-list .lang-flag,
.pll-parent-menu-item img {
    display: none !important;
}

/* Separador entre idiomas */
.language-list li:not(:last-child)::after {
    content: '|';
    color: var(--color-gray-400);
    margin-left: var(--spacing-1);
}

/* Dropdown arrows para menú */
.nav-menu > li.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    vertical-align: middle;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    padding: var(--spacing-2);
    z-index: var(--z-fixed);
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile overlay - Se crea dinámicamente via JavaScript con ID único */
#cristal-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    display: none;
}

/* CRÍTICO: Ocultar overlays problemáticos de otros plugins */
#mobile-menu-overlay,
.mobile-menu-overlay,
div[id*="mobile-menu-overlay"],
div[class*="mobile-menu-overlay"] {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -9999 !important;
    width: 0 !important;
    height: 0 !important;
    opacity: 0 !important;
}

/* En desktop, siempre ocultar */
@media (min-width: 769px) {
    #cristal-nav-overlay,
    #mobile-menu-overlay,
    .mobile-menu-overlay {
        display: none !important;
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    background: var(--color-dark);
    color: var(--color-white);
    margin-top: auto;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.footer-main { padding: var(--spacing-16) 0 var(--spacing-12); }

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.footer-col { min-width: 0; }

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Footer about */
.footer-about .footer-logo-img {
    max-height: 45px;
    width: auto;
    margin-bottom: var(--spacing-4);
    filter: brightness(0) invert(1);
}

.footer-description {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--spacing-6);
}

/* Social links */
.social-links { display: flex; gap: var(--spacing-3); }

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

/* Footer menu */
.footer-menu li { margin-bottom: var(--spacing-3); }

.footer-menu a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-white);
    padding-left: var(--spacing-2);
}

/* Contact list */
.contact-list li { margin-bottom: var(--spacing-4); }

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.contact-item svg { flex-shrink: 0; margin-top: 2px; }
.contact-item a { color: rgba(255, 255, 255, 0.7); }
.contact-item a:hover { color: var(--color-white); }

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-6) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.legal-links { display: flex; gap: var(--spacing-6); }
.legal-links a { font-size: var(--font-size-sm); color: rgba(255, 255, 255, 0.5); }
.legal-links a:hover { color: var(--color-white); }

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-large { padding: var(--spacing-4) var(--spacing-8); font-size: 1rem; }

/* Cards */
.post-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.post-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content { padding: var(--spacing-6); }

.post-meta {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2);
}

.post-category { color: var(--color-primary); font-weight: 500; }

.post-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

.post-title a { color: var(--color-gray-900); }
.post-title a:hover { color: var(--color-primary); }

.post-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
}

.read-more svg { transition: transform var(--transition-fast); }
.read-more:hover svg { transform: translateX(4px); }

/* Posts grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

/* Pagination */
.pagination { display: flex; justify-content: center; margin-top: var(--spacing-8); }
.pagination .nav-links { display: flex; gap: var(--spacing-2); }

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-3);
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.pagination a { background: var(--color-gray-100); color: var(--color-gray-700); }
.pagination a:hover { background: var(--color-primary); color: var(--color-white); }
.pagination .current { background: var(--color-primary); color: var(--color-white); }

/* Breadcrumbs */
.breadcrumbs {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

.breadcrumbs a { color: var(--color-gray-600); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs .separator { margin: 0 var(--spacing-2); }
.breadcrumbs .current { color: var(--color-gray-900); }

/* Search form */
.search-form { display: flex; max-width: 400px; }

.search-field {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-gray-300);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: var(--font-size-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

.search-field:focus { border-color: var(--color-primary); }

.search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 0 var(--radius) var(--radius) 0;
    transition: background var(--transition-fast);
}

.search-submit:hover { background: var(--color-primary-dark); }

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ==========================================================================
   PAGE TEMPLATES
   ========================================================================== */

/* Page header */
.page-header,
.archive-header,
.article-header,
.search-header {
    background: var(--color-gray-100);
    padding: var(--spacing-12) 0;
    margin-bottom: var(--spacing-12);
}

.page-title,
.archive-title,
.article-title {
    font-size: var(--font-size-4xl);
    margin-bottom: 0;
}

/* Single article */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

.article-category { color: var(--color-primary); font-weight: 500; }

.article-excerpt {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.article-featured-image { margin-bottom: var(--spacing-12); }

.article-featured-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.article-body { padding-bottom: var(--spacing-12); }

.entry-content {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    margin-top: var(--spacing-10);
}

.entry-content ul,
.entry-content ol {
    margin: var(--spacing-6) 0;
    padding-left: var(--spacing-8);
}

.entry-content ul { list-style-type: disc; }
.entry-content ol { list-style-type: decimal; }
.entry-content li { margin-bottom: var(--spacing-2); }
.entry-content img { border-radius: var(--radius); margin: var(--spacing-6) 0; }

/* Article tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-2);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-8);
}

.tags-label { font-weight: 500; color: var(--color-gray-700); }

.tag {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.tag:hover { background: var(--color-primary-light); color: var(--color-primary); }

/* Author box */
.article-author {
    display: flex;
    gap: var(--spacing-6);
    padding: var(--spacing-8);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-10);
}

.author-avatar img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
}

.author-label { display: block; font-size: var(--font-size-sm); color: var(--color-gray-600); margin-bottom: var(--spacing-1); }
.author-name { display: block; font-size: var(--font-size-lg); font-weight: 600; color: var(--color-gray-900); }
.author-bio { font-size: var(--font-size-sm); color: var(--color-gray-600); margin-top: var(--spacing-2); margin-bottom: 0; }

/* Post navigation */
.post-navigation { background: var(--color-gray-100); padding: var(--spacing-10) 0; }
.post-navigation .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-8); }
.nav-previous, .nav-next { padding: var(--spacing-6); background: var(--color-white); border-radius: var(--radius); }
.nav-next { text-align: right; }
.nav-label { display: block; font-size: var(--font-size-sm); color: var(--color-gray-600); margin-bottom: var(--spacing-2); }
.nav-previous a, .nav-next a { font-weight: 500; color: var(--color-gray-900); }

/* 404 Page */
.error-404-page { padding: var(--spacing-20) 0; text-align: center; }
.error-code { font-size: 8rem; font-weight: 700; color: var(--color-primary); line-height: 1; margin-bottom: var(--spacing-4); }
.error-title { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-4); }
.error-description { font-size: var(--font-size-lg); color: var(--color-gray-600); margin-bottom: var(--spacing-8); }
.error-actions { margin-bottom: var(--spacing-10); }
.error-search { max-width: 400px; margin: 0 auto; }
.error-search p { color: var(--color-gray-600); margin-bottom: var(--spacing-4); }
.error-search .search-form { margin: 0 auto; }

/* Search results */
.search-title span { color: var(--color-primary); }
.results-count { color: var(--color-gray-600); margin-top: var(--spacing-2); }
.search-again { margin-top: var(--spacing-6); }
.search-results-list { display: flex; flex-direction: column; gap: var(--spacing-6); }

.search-result-item {
    display: flex;
    gap: var(--spacing-6);
    padding: var(--spacing-6);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius);
}

.result-thumbnail img { width: 120px; height: 90px; object-fit: cover; border-radius: var(--radius-sm); }
.result-type { display: inline-block; font-size: var(--font-size-xs); color: var(--color-primary); text-transform: uppercase; margin-bottom: var(--spacing-2); }
.result-title { font-size: var(--font-size-lg); margin-bottom: var(--spacing-2); }
.result-title a { color: var(--color-gray-900); }
.result-excerpt { font-size: var(--font-size-sm); color: var(--color-gray-600); margin-bottom: var(--spacing-3); }
.result-link { font-size: var(--font-size-sm); font-weight: 500; }

/* No results */
.no-posts, .no-results { text-align: center; padding: var(--spacing-12) 0; }
.no-posts h2, .no-results h2 { margin-bottom: var(--spacing-4); }
.no-posts .search-form, .no-results .search-form { margin: var(--spacing-6) auto 0; }

/* ==========================================================================
   POLYLANG - Ocultar banderas globalmente
   ========================================================================== */

/* Ocultar todas las banderas de Polylang en todo el sitio */
.pll-parent-menu-item img,
.widget_polylang img,
.lang-item img,
.language-list img,
img.pll-flag,
span.lang-flag {
    display: none !important;
}

/* ==========================================================================
   FULL WIDTH PAGE (Elementor)
   ========================================================================== */

.page-fullwidth,
.front-page,
.page-content.is-elementor {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
}

.front-page,
.page-content.is-elementor .page-body {
    padding: 0;
}

.front-page .elementor-section,
.page-content.is-elementor .entry-content-elementor {
    width: 100%;
    max-width: 100%;
}

/* Elementor sections */
.entry-content-elementor .elementor-section.elementor-section-boxed > .elementor-container {
    max-width: 1200px;
}

.entry-content-elementor .elementor-section.elementor-section-full_width,
.entry-content-elementor .elementor-section-stretched {
    max-width: 100%;
    width: 100%;
}

/* Ocultar header de página en template fullwidth */
.page-template-page-fullwidth .page-header {
    display: none;
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Pantallas grandes - menú más espaciado */
@media (min-width: 1400px) {
    .nav-menu > li > a {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: 13px;
    }
    .site-logo {
        height: 60px;
    }
    .ods-banner-img {
        height: 45px;
        max-width: 180px;
    }
}

/* Pantallas medianas-grandes */
@media (min-width: 1200px) and (max-width: 1399px) {
    .nav-menu > li > a {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: 12px;
    }
    .site-logo {
        height: 50px;
    }
}

/* Pantallas medianas */
@media (min-width: 1025px) and (max-width: 1199px) {
    .nav-menu > li > a {
        padding: var(--spacing-2) var(--spacing-2);
        font-size: 11px;
        letter-spacing: 0.2px;
    }
    .site-logo {
        height: 45px;
    }
    .ods-banner-img {
        height: 35px;
        max-width: 140px;
    }
}

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .posts-grid { grid-template-columns: repeat(2, 1fr); }
    
    /* Header en tablet - mostrar menú hamburguesa */
    .main-navigation {
        display: flex;
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 0;
        z-index: 10000;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        overflow-y: auto;
    }
    
    .main-navigation.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    /* Logo en tablet */
    .site-logo {
        height: 45px !important;
        max-width: 160px !important;
    }
    
    /* Ocultar banner ODS en tablet */
    .header-ods-link,
    .ods-banner-img {
        display: none !important;
    }
    
    /* Menú vertical en tablet */
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
        padding: 0;
        margin: 0;
    }
    
    .nav-menu > li {
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-menu > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-4) var(--spacing-5);
        font-size: 15px;
        text-transform: none;
        letter-spacing: 0;
    }
}

@media (max-width: 768px) {
    :root { --header-height: 70px; }
    
    /* FIX CRÍTICO: html es el ÚNICO con scroll */
    html {
        overflow-x: hidden !important;
        overflow-y: scroll !important;
    }
    
    body {
        overflow-x: hidden !important;
        overflow-y: visible !important;
    }
    
    /* Excepción: El menú móvil SÍ necesita overflow-y */
    .main-navigation {
        overflow-y: auto !important;
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    
    /* Asegurar que imágenes no causen overflow */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* =========================================
       HEADER MÓVIL - CRÍTICO
       ========================================= */
    .site-header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 9999 !important;
        background: var(--color-white) !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
    }
    
    .header-container {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 10px 15px !important;
        min-height: 60px !important;
    }
    
    /* Logo en móvil */
    .site-branding {
        display: block !important;
        flex-shrink: 0 !important;
    }
    
    .site-branding a {
        display: flex !important;
    }
    
    .site-logo {
        height: 40px !important;
        width: auto !important;
        max-width: 150px !important;
        display: block !important;
    }
    
    /* Ocultar elementos no necesarios en móvil */
    .header-actions,
    .header-ods-link,
    .ods-banner-img {
        display: none !important;
    }
    
    /* Asegurar espacio para el header fijo */
    .site-main {
        padding-top: 70px !important;
    }
    
    /* Excepción: En página de inicio con video banner, no agregar padding */
    body.home .site-main,
    body.is-front-page .site-main,
    body.page-inicio .site-main {
        padding-top: 0 !important;
    }
    
    /* Mobile menu toggle */
    .mobile-menu-toggle { display: flex; }
    
    /* =========================================
       MENÚ MÓVIL - Diseño mejorado
       ========================================= */
    .main-navigation {
        display: flex;
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 0;
        z-index: 10000;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        overflow-y: auto;
    }
    
    .main-navigation.active { right: 0; }
    
    /* Header del menú móvil */
    .main-navigation::before {
        content: 'MENÚ';
        display: block;
        padding: var(--spacing-4) var(--spacing-5);
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 1px;
        color: var(--color-gray-500);
        border-bottom: 1px solid var(--color-gray-200);
        background: var(--color-gray-50);
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
        padding: 0;
        margin: 0;
    }
    
    /* Items del menú */
    .nav-menu > li {
        position: relative;
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-menu > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-4) var(--spacing-5);
        font-size: 15px;
        font-weight: 500;
        color: var(--color-gray-800);
        text-transform: none;
        letter-spacing: 0;
        transition: all 0.2s ease;
    }
    
    .nav-menu > li > a:hover,
    .nav-menu > li > a:focus {
        background: var(--color-gray-50);
        color: var(--color-primary);
    }
    
    .nav-menu > li.current-menu-item > a {
        color: var(--color-primary);
        background: rgba(0, 119, 182, 0.05);
        border-left: 3px solid var(--color-primary);
    }
    
    /* Ocultar underline en móvil */
    .nav-menu > li > a::after { display: none !important; }
    
    /* Flecha del dropdown - junto al texto */
    .nav-menu > li.menu-item-has-children > a {
        padding-right: var(--spacing-12);
    }
    
    /* Toggle del submenú */
    .submenu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        right: 0;
        top: 0;
        width: 50px;
        height: 100%;
        background: transparent;
        border: none;
        border-left: 1px solid var(--color-gray-100);
        cursor: pointer;
        transition: background 0.2s ease;
        padding: 0;
    }
    
    .submenu-toggle:hover {
        background: var(--color-gray-100);
    }
    
    .submenu-toggle svg {
        width: 14px;
        height: 14px;
        color: var(--color-gray-500);
        transition: transform 0.2s ease;
    }
    
    .submenu-toggle.active svg {
        transform: rotate(180deg);
    }
    
    /* Submenú */
    .nav-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        padding: 0;
        margin: 0;
        background: var(--color-gray-50);
        display: none;
        border-top: 1px solid var(--color-gray-200);
    }
    
    .nav-menu .sub-menu.active { 
        display: block; 
    }
    
    .nav-menu .sub-menu li {
        border-bottom: 1px solid var(--color-gray-100);
    }
    
    .nav-menu .sub-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu .sub-menu a {
        display: block;
        padding: var(--spacing-3) var(--spacing-5) var(--spacing-3) var(--spacing-8);
        font-size: 14px;
        color: var(--color-gray-600);
        transition: all 0.2s ease;
    }
    
    .nav-menu .sub-menu a::before {
        content: '—';
        margin-right: var(--spacing-2);
        color: var(--color-gray-400);
    }
    
    .nav-menu .sub-menu a:hover {
        color: var(--color-primary);
        background: var(--color-gray-100);
    }
    
    /* Selector de idioma en menú móvil */
    .nav-menu .lang-item > a,
    .nav-menu .menu-item-language-current > a {
        font-size: 14px;
        color: var(--color-gray-600);
    }
    
    .header-actions { order: -1; }
    
    /* Ocultar banner ODS en móvil */
    .header-ods-link {
        display: none !important;
    }
    
    /* Mobile footer */
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-about { margin-bottom: var(--spacing-6); }
    .social-links { justify-content: center; }
    .footer-bottom-content { flex-direction: column; text-align: center; }
    .legal-links { justify-content: center; }
    
    /* Mobile content */
    .posts-grid { grid-template-columns: 1fr; }
    .post-navigation .nav-links { grid-template-columns: 1fr; }
    .nav-next { text-align: left; }
    .article-author { flex-direction: column; text-align: center; }
    .author-avatar { display: flex; justify-content: center; }
    .search-result-item { flex-direction: column; }
    .result-thumbnail { width: 100%; }
    .result-thumbnail img { width: 100%; height: 180px; }
    .error-code { font-size: 5rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--spacing-4); }
    
    .page-header,
    .archive-header,
    .article-header,
    .search-header {
        padding: var(--spacing-8) 0;
        margin-bottom: var(--spacing-8);
    }
}